2005 Audi A4 vs. 1978 Mazda 818
To start off, 2005 Audi A4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Mazda 818. In addition, the cost of maintenance, including insurance, on 1978 Mazda 818 would be higher. At 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6300 RPM) has 152 more horse power than 1978 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1978 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 645 kg more than 1978 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 818. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi A4 (300 Nm @ 3200 RPM) has 208 more torque (in Nm) than 1978 Mazda 818. (92 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 818.
Compare all specifications:
| 2005 Audi A4 | 1978 Mazda 818 | |
| Make | Audi | Mazda |
| Model | A4 | 818 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1272 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 220 HP | 68 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 300 Nm | 92 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1645 kg | 1000 kg |
| Vehicle Length | 4550 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2320 mm |
